[INFO] crate proof 0.0.0 is already in cache
[INFO] checking proof-0.0.0 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate proof 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate proof 0.0.0 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proof 0.0.0
[INFO] finished tweaking crates.io crate proof 0.0.0
[INFO] tweaked toml for crates.io crate proof 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ec3c1322c3e97c2bd74ca262dafde42de0d000e3225d9345cd6bda76d705910
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ec3c1322c3e97c2bd74ca262dafde42de0d000e3225d9345cd6bda76d705910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ec3c1322c3e97c2bd74ca262dafde42de0d000e3225d9345cd6bda76d705910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec3c1322c3e97c2bd74ca262dafde42de0d000e3225d9345cd6bda76d705910", kill_on_drop: false }`
[INFO] [stdout] 7ec3c1322c3e97c2bd74ca262dafde42de0d000e3225d9345cd6bda76d705910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cad29038085aa478c80d4cd03971eb8db9cafc3e5fba0fbf5ff277b2067bc3c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cad29038085aa478c80d4cd03971eb8db9cafc3e5fba0fbf5ff277b2067bc3c2", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking parity-codec v3.5.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking impl-codec v0.2.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]     Checking primitive-types v0.3.0
[INFO] [stderr]     Checking ethereum-types v0.5.2
[INFO] [stderr]     Checking eth2_ssz v0.1.2
[INFO] [stderr]    Compiling eth2_ssz_derive v0.1.0
[INFO] [stderr]     Checking ethereum-types v0.6.0
[INFO] [stderr]     Checking proof v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.13s
[INFO] running `Command { std: "docker" "inspect" "cad29038085aa478c80d4cd03971eb8db9cafc3e5fba0fbf5ff277b2067bc3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad29038085aa478c80d4cd03971eb8db9cafc3e5fba0fbf5ff277b2067bc3c2", kill_on_drop: false }`
[INFO] [stdout] cad29038085aa478c80d4cd03971eb8db9cafc3e5fba0fbf5ff277b2067bc3c2